News
- Earth
Oxygen wafted into Earth’s atmosphere earlier than thought
Date pushed back to 3 billion years ago, suggesting photosynthesis had evolved by then.
- Psychology
Mental rotation gears up by age 5 for both boys and girls
Kid-friendly test suggests that the ability to visualize objects from different angles starts early.
- Health & Medicine
Dextrose rub helps newborns with low blood sugar
Massaging the sugary gel into babies’ mouths may lessen the need for intravenous infusions of glucose, a study shows.
- Life
Killer cells trained on leukemia may protect some people
Immune system seems to remember cancer in people who've never had it, a new study suggests.
- Neuroscience
Scented naps can dissipate fears
People unlearned an odor's unpleasant accompaniment when they smelled it in their sleep.
- Health & Medicine
Home births more risky than hospital deliveries
Babies born at home are more likely to lack pulse after five minutes.
- Ecosystems
Feces in termites’ nests block biological pest control
Built-in poop nourishes bacteria that protect notorious Formosan species.
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- Planetary Science
Mars rover fails to find methane
A dearth of the gas in the Red Planet's atmosphere disappoints scientists looking for signs of biological activity.
- Animals
Tiger, lion and domestic cat genes not so different
Genomes of big felines provide insight into their evolution.
- Psychology
Poker pros’ arms betray their hands
Top players' arm motions when betting provide clues to whether or not they hold strong cards.
- Tech
Bacterial batteries get a solid boost
Using microbes to harvest energy from wastewater now has a silver lining, with the metal making reliable, rechargeable batteries.
